Cherubimon (X Antibody) - Beginning Observer (BT16)

[[Digivolve] [Cherubimon]: Cost 2]
[Alliance]
[When Digivolving] [When Attacking] [Once Per Turn] You may play 1 level 4 or lower yellow or green Digimon card from your hand or trash without paying the cost.
[End of Your Turn] [Once Per Turn] If [Cherubimon] or [X Antibody] is in this Digimon's digivolution cards, you may delete 1 of your opponent's level 4 or lower Digimon. For each of your other Digimon, add 1 to this effect's choosable levels.